Jon Butterworth: Quarks and gluons make weird slopes and shapes inside the proton. Understanding them precisely was important for the first results from Cern’s Large Hadron Collider, and continues to be so as we approach the restart over the next few weeks

The Geneva-based laboratory for particle physics has released a vast archive of photographs dating back to the mid-1950s. The problem is that many of them have no captions – so scientists at Cern are asking the public for help